Finding the Fourth Proportional to 634,886.44, 876,153.96 and 348,433.18
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Solution
The fourth proportional to 634,886.44, 876,153.96 and 348,433.18 is: 480,843.65
Step by Step Solution
- Step 1: Write the proportion equation
634,886.44 : 876,153.96 = 348,433.18 : x - Step 2: Convert to fraction form
634,886.44/876,153.96 = 348,433.18/x - Step 3: Cross multiply
634,886.44x = 876,153.96 × 348,433.18 - Step 4: Simplify right side
634,886.44x = 305,281,110,452.39 - Step 5: Solve for x
x = 305,281,110,452.39/634,886.44 - Step 6: Final answer
x = 480,843.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.